package com.heima.gateway.filter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.util.List;
@Component
public class DefaultHeaderFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        ServerHttpRequest request = exchange.getRequest();
        List<String> headers = request.getHeaders().get("truth");
        if (headers != null && headers.size() > 0){
            String s = headers.get(0);
            System.out.println(s);
        }

        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 1;
    }
}
